Bartlesville weather in August

In August, Bartlesville sees average daytime highs of 91°F and overnight lows near 71°F, with 2.9 in of rain across 7 wet days and about 13.4 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 91°F through the month. The sky is clear or mostly clear about 53% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Bartlesville's 2nd-clearest and 12th-windiest month. For the whole year in context, see Bartlesville's year-round climate.

Daytime high
91°
2nd warmest
Overnight low
71°
11th coldest
Rainfall
2.9 in
7 wet days
Daylight
13 h 24 min
5:46 AM – 7:10 PM
Cloud cover
42%
2nd clearest
Wind
6 mph
12th windiest
Solar energy
6.13 kWh/m²
Travel score
4.1
out of 10

Bartlesville is city in Oklahoma, United States.

Density
620/km²
people per km²
Founded
1897

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 91°F through the month.

A typical August day in Bartlesville reaches about 91°F in the afternoon and slips back to 71°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 82°F and 99°F. Set against its neighbours, August runs on par with July and about 8°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19273
29273
39272
49272
59272
69172
79172
89172
99172
109172
119171
129171
139171
149171
159171
169171
179171
189171
199171
209171
219171
229070
239070
249070
259070
269070
279070
288969
298969
308969
318969

How August really feels in Bartlesville

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bartlesville weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan46° / 28°1.75.81.69.81.4
Feb51° / 31°2.061.510.62.8
Mar61° / 40°3.59.40.911.75.1
Apr70° / 49°5.011012.96.4
May78° / 59°6.212013.96.4
Jun87° / 69°4.810.4014.54.9
Jul92° / 73°3.08.1014.33.7
Aug91° / 71°2.97013.44.1
Sep83° / 63°3.87.8012.26.4
Oct71° / 51°3.58011.17.3
Nov59° / 39°2.56.90.5105.0
Dec48° / 31°2.15.81.59.52.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 19% of August, with mostly cloudy or overcast conditions the remaining 28%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17129
27129
37129
47129
57129
67129
77129
87129
97228
107228
117228
127228
137228
147327
157327
167327
177327
187327
197327
207327
217327
227228
237228
247129
257129
267129
277129
287030
297030
307030
316931

Chance of precipitation in August

Any precipitation

Bartlesville gets around 2.9 in of rain over 7 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 23% and peaks near 25% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
125
225
325
425
525
625
725
825
925
1025
1125
1224
1324
1424
1523
1623
1723
1822
1922
2022
2121
2221
2321
2421
2521
2622
2722
2823
2923
3024
3124

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the muggy band about 41% of days. Sticky, muggy-or-worse air turns up on roughly 67% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1181739351
2181639351
3181640341
4181640341
5171641341
6171741331
7271741321
8271741320
9271841310
10281841300
11381841300
12381941290
13382041280
14482040270
15482140260
16482240250
17482340250
18482340240
19482440230
20482440230
21482441220
22482541220
23482542210
24482542210
25482542200
26482643190
27482643190
28592643180
29592643170
306102642160
316102642160

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 min at the start of August to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:33 AM to 5:58 AM, and sunset from 7:27 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:337:27
213.95:347:26
313.85:357:25
413.85:367:24
513.85:367:23
613.75:377:22
713.75:387:21
813.75:397:20
913.75:407:19
1013.65:417:18
1113.65:417:17
1213.65:427:15
1313.55:437:14
1413.55:447:13
1513.55:457:12
1613.45:467:10
1713.45:467:09
1813.35:477:08
1913.35:487:07
2013.35:497:05
2113.25:507:04
2213.25:517:03
2313.25:517:01
2413.15:527:00
2513.15:536:58
2613.15:546:57
2713.05:556:56
2813.05:566:54
2912.95:566:53
3012.95:576:51
3112.95:586:50

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.13 kWh/m².

For context, solar energy here swings from a low near 2.27 kWh/m² to a high of 6.77 kWh/m² in July across the year — August's 6.13 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.5Intense
26.5Intense
36.4Intense
46.4Intense
56.4Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.0Intense
216.0Intense
226.0Bright
236.0Bright
245.9Bright
255.9Bright
265.9Bright
275.8Bright
285.8Bright
295.7Bright
305.7Bright
315.6Bright
Planning a trip in August

Is August a good time to visit Bartlesville?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.1
Sightseeing
8th-best month of the year
7.0
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Bartlesville for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Bartlesville in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Bartlesville sees daytime highs around 91°F and nights near 71°F. Pack light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Bartlesville in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bartlesville peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 23UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep7Very high
Oct5High
Nov4Moderate
Dec2Moderate

Air quality in Bartlesville in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Bartlesville is worst in April — around 26 µg/m³ PM2.5 (moderate), about 5.3× the cleanest month (November, 5 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1325 µg/m³Nov 145 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb8Good
Mar20Moderate
Apr26Moderate
May11Good
Jun13Moderate
Jul15Moderate
Aug14Moderate
Sep10Good
Oct5Good
Nov5Good
Dec6Good
Location & terrain

Where is Bartlesville?

Bartlesville sits at 36.7°N, 96.0°W, 702 ft above sea level, in United States. The nearest listed city is Owasso, 34 mi away.

Topography around Bartlesville

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Bartlesville.

Within 2 miles, the terrain around Bartlesville has only modest variations in elevation — a maximum elevation change of 223 ft around an average of 686 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 433 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 922 ft.

The land around Bartlesville is covered by trees (42%) and grassland (27%) within 2 miles, grassland (58%) and trees (34%) within 10 miles, and grassland (60%) and trees (29%) within 50 miles.

2 miles
223 ft
10 miles
433 ft
50 miles
922 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Owasso 34 mi · Claremore 36 mi · Tulsa 41 mi · Sand Springs 43 mi · Broken Arrow 49 mi · Jenks 50 mi · Sapulpa 52 mi · Bixby 56 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Bartlesville (36.7473°, -95.9808°, elevation 702 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).